NCERT Class XI Chemistry Some Basic Concepts of Chemistry Solutions
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Question : 1
Total: 36
Calculate the molecular mass of the following :
(i)H 2 O
(ii)C O 2
(iii)C H 4
(i)
(ii)
(iii)
Solution:
(i) The molecular mass of H 2 O = 1 × 2 + 16 = 18 amu or 18 u
(ii) The molecular mass ofC O 2 = 12 + 2 × 16 = 12 + 32 = 44 amu or 44 u
(iii) The molecular mass ofC H 4 = 12 + 1 × 4 = 12 + 4 = 16 amu or 16 u
(ii) The molecular mass of
(iii) The molecular mass of
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